Indices · 2026-07-14
Six numbers to watch.
Daily market indices for LLM usage: reasoning share, free traffic, open weights, geography, concentration, and blended price. Formulas in the methodology.
343 models catalogued upstream on OpenRouter as of 2026-07-15.
Reasoning share
92.83%
+7.76pp · 30d
Free-traffic share
23.66%
+16.48pp · 30d
HHI (top-10)
750
+241.09 pts · 30d
Median $ / M paid
$0.620
$-0.12 · 30d
Reasoning Share Index
Share of tracked tokens going to reasoning-flagged models.
Free-Traffic Index
Share of tokens routed through :free variants.
HHI top-10 concentration
Herfindahl-Hirschman on the daily top-10 model shares. Higher = more concentrated.
Median blended price paid
Usage-weighted median of (0.3·prompt + 0.7·completion) $ / M tokens across all tracked models.
Peak tracked volume: 9.3T tokens/day.
Open weights vs closed
Share of tracked tokens routed to open-weights models versus closed-source APIs.
China vs Western labs
Share of tracked tokens routed to Chinese labs versus US & European labs.
Top-10 HHI
Top-10 model share HHI stood at 750 on 2026-07-14 — higher = more concentrated. Source: Tidelines indices.